25,8y-4,3(6y+300)=25,8y
4,3(6y+300) = 25,8y - 25,8y
4,3(6y+300) = 0
6y + 300 = 0
6y = -300
y = -50
Пошаговое объяснение:
25,8y-4,3(6y+300)=25,8y
4,3(6y+300) = 25,8y - 25,8y
4,3(6y+300) = 0
6y + 300 = 0
6y = -300
y = -50
Пошаговое объяснение: